NOTE: Climax data after Sept. 1980 has been adjusted upwards by about 1%. See the descriptive file (in the Data & Plots section) for details.

Would you like to receive update notices every month? Send email HERE.

Climax and Haleakala neutron monitor operations and research activities are supported by the National Science Foundation (Grant ATM-0339527). This SPDS node was made possible through funding by the National Aeronautics and Space Administration.
Principal Investigator:
Clifford Lopate.
Send email HERE if you need more recent data.

If you use our Neutron Monitor data in a scientific publication, please acknowledge
us, "National Science Foundation Grant ATM-0339527". We would be interested in receiving a copy of any publication resulting from your use of these data.
We welcome any suggestions for improvement, and any "testimonials"
would be appreciated!

Please feel free to contact me if you have any questions.
University of New Hampshire
phone: (603) 862-5101
fax:(603) 862-3584
email: lopate@ulysses.sr.unh.edu